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Patent Searching and Data


Title:
弁装置
Document Type and Number:
Japanese Patent JP6578585
Kind Code:
B2
Abstract:
One embodiment relates to a valve device. The valve device includes: a valve case; a valve element slidably disposed within a valve chamber defined in the valve case; and a positive pressure spring configured to urge the valve element toward a valve seat in the valve case. The valve element includes an outer circumferential portion having a predetermined length extending along an inner circumference of the valve chamber. The outer circumferential portion includes plural opening portions. And, ribs project from the inner circumference of the valve chamber to enter into the opening portions, thereby limiting movement of the positive pressure spring in a radial direction.

Inventors:
Hiroharu Yamaguchi
Application Number:
JP2015222012A
Publication Date:
September 25, 2019
Filing Date:
November 12, 2015
Export Citation:
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Assignee:
Piolux Co., Ltd.
International Classes:
F16K24/00; B60K15/035; F02M37/00; F16K15/18; F16K17/196
Domestic Patent References:
JP11304028A
JP10288267A
Attorney, Agent or Firm:
Shigeru Matsui